Atmospheric aerosol source identification and estimates of source contributions to air pollution in Dundee, UK

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Abstract

Anthropogenic aerosol (PM10) emission sources sampled at an air quality monitoring station in Dundee have been analysed. However, the information on local natural aerosol emission sources was unavailable. A method that combines receptor model and atmospheric dispersion model was used to identify aerosol sources and estimate source contributions to air pollution. The receptor model identified five sources. These are aged marine aerosol source with some chlorine replaced by sulphate, secondary aerosol source of ammonium sulphate, secondary aerosol source of ammonium nitrate, soil and construction dust source, and incinerator and fuel oil burning emission source. For the vehicle emission source, which has been comprehensively described in the atmospheric emission inventory but cannot be identified by the receptor model, an atmospheric dispersion model was used to estimate its contributions. In Dundee, a significant percentage, 67.5%, of the aerosol mass sampled at the study station could be attributed to the six sources named above.
Original languageEnglish
Pages (from-to)1799-1809
Number of pages11
JournalAtmospheric Environment
Volume37
Issue number13
DOIs
Publication statusPublished - Apr 2003

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